add using patronictl on pod, change apiversion for loadbalancer

Author: Yannic Nevado Hidalgo

create_operator_setup.sh

@@ -8,8 +8,16 @@ kubectl create -f manifests/operator-service-account-rbac.yaml --namespace zalan
 
 kubectl create -f manifests/postgres-operator.yaml --namespace zalando-postgres
 
-sleep 5
+sleep 10
 
 kubectl get pod -l name=postgres-operator --namespace zalando-postgres
 
-kubectl create -f manifests/minimal-postgres-manifest.yaml --namespace zalando-postgres
+kubectl create -f manifests/minimal-postgres-manifest.yaml --namespace zalando-postgres
+
+sleep 10
+
+kubectl get postgresql --namespace zalando-postgres
+
+kubectl get pods -l application=spilo -L spilo-role --namespace zalando-postgres
+
+kubectl get svc -l application=spilo -L spilo-role --namespace zalando-postgres

loadbalancer/metallb.yaml

@@ -143,7 +143,7 @@ roleRef:
   kind: Role
   name: leader-election
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   namespace: metallb-system
@@ -196,7 +196,7 @@ spec:
             add:
             - net_raw
 ---
-apiVersion: apps/v1beta2
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   namespace: metallb-system

manifests/minimal-postgres-manifest.yaml

@@ -37,6 +37,7 @@ spec:
     # parameters for postgresql.conf
     # can be edited after kubectl apply for example and restart spilo service
     parameters:
+      listen_addresses: '*'
       shared_buffers: "128MB"
       max_connections: "10"
       log_statement: "all"

manifests/standby-manifest.yaml

@@ -9,7 +9,7 @@ spec:
     size: 1Gi
   numberOfInstances: 1
   postgresql:
-    version: "10"
+    version: "11"
 # Make this a standby cluster and provide the s3 bucket path of source cluster for continuous streaming.
   standby:
     #s3_wal_path: "s3://path/to/bucket/containing/wal/of/source/cluster/"

patroni.md

@@ -0,0 +1,7 @@
+# Using Patroni Service
+
+1. Execute Shell on Pod
+1. List all cluster members
+  2.1 `patronictl -c /home/postgres/.config/patroni/patronictl.yaml list`
+1. Execute switchover
+  3.1 `patronictl -c /home/postgres/.config/patroni/patronictl.yaml switchover`

reset_postgres_operator_setup.sh

@@ -16,4 +16,6 @@ kubectl delete postgresql acid-minimal-cluster --namespace zalando-postgres
 
 kubectl delete service acid-minimal-cluster acid-minimal-cluster-repl -n zalando-postgres
 
-kubectl delete poddisruptionbudgets postgres-acid-minimal-cluster-pdb -n zalando-postgres
+kubectl delete poddisruptionbudgets postgres-acid-minimal-cluster-pdb -n zalando-postgres
+
+kubectl delete pvc pgdata-acid-minimal-cluster-0 pgdata-acid-minimal-cluster-1 -n zalando-postgres